CN111113140A

CN111113140A - Machining center

Info

Publication number: CN111113140A
Application number: CN201911358905.5A
Authority: CN
Inventors: 吴连红; 梁毅; 林佳宏; 张博; 王海迪; 周昊晖
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-05-08
Anticipated expiration: 2039-12-25
Also published as: CN111113140B

Abstract

The invention provides a machining center. The machining center includes: a processing machine tool; the shell covers the machine tool and is provided with an opening for taking and placing a workpiece; the guide rail is arranged in the shell; the two door bodies are symmetrically arranged at the opening, each door body is in sliding connection with the guide rail, and each door body is provided with a closing position for shielding the opening and an opening position for retracting the opening into the shell to avoid the opening. The technical scheme of the invention solves the problem that the machining center in the prior art occupies a large space.

Description

Machining center

Technical Field

The invention relates to the technical field of machining, in particular to a machining center.

Background

In the related art, in order to avoid the cutting fluid from splashing outside the shell, a door body is arranged at an opening of the shell, and when a workpiece needs to be taken and placed, the door body is opened, and when machining is needed, the door body is closed. However, the door body requires a large space at the opening and closing position, which results in a large occupied space of the whole machining center.

Disclosure of Invention

The invention mainly aims to provide a machining center, which aims to solve the problem that the machining center in the prior art occupies a large space.

In order to achieve the above object, according to one aspect of the present invention, there is provided a machining center including: a processing machine tool; the shell covers the machine tool and is provided with an opening for taking and placing a workpiece; the guide rail is arranged in the shell; the two door bodies are symmetrically arranged at the opening, each door body is in sliding connection with the guide rail, and each door body is provided with a closing position for shielding the opening and an opening position for retracting the opening into the shell to avoid the opening.

Furthermore, the guide rail comprises a first guide rail structure arranged at the bottom, the first guide rail structure extends along a first horizontal direction, and the first guide rail structure is arranged at a preset interval with a placing station of the processing machine tool along a second horizontal direction; the second horizontal direction is vertical to the first horizontal direction; the door body includes shielding part and sliding part, and the shielding part extends along first horizontal direction and is used for sheltering from the opening, and the sliding part sets up on the internal face of shielding part protrudingly, and the sliding part is located the bottom of shielding part, offers the spout that extends along vertical direction on the lower surface of sliding part, spout and first guide rail structure sliding connection.

Furthermore, the door body also comprises a first sliding block structure, and the first sliding block structure is arranged on the inner wall surface of the shielding part and is positioned at the top end of the shielding part; the guide rail further comprises a second guide rail structure, the second guide rail structure is arranged on the inner wall surface of the shell and is positioned at the top end of the first guide rail structure, and the first sliding block structure is in sliding connection with the second guide rail structure.

Further, the plurality of first slider structures are arranged on the shielding portion at intervals along the first horizontal direction.

Further, along the second horizontal direction, the sliding part comprises a first mounting plate and a second mounting plate which are used for forming a sliding chute, the first mounting plate is positioned on one side of the sliding chute close to the interior of the shell, and the length of the first mounting plate in the vertical direction is smaller than that of the second mounting plate in the vertical direction; the door body further comprises a second sliding block structure, and the second sliding block structure is arranged on the inner wall surface of the second mounting plate and is positioned at the bottom end of the second mounting plate; the guide rail further comprises a third guide rail structure, the third guide rail structure is connected with the outer wall surface of the first guide rail structure and is located at the bottom end of the first guide rail structure, and the second sliding block structure is connected with the third guide rail structure in a sliding mode.

Further, a plurality of second slider structures are arranged on the second mounting plate at intervals along the first horizontal direction.

Further, the machining center further includes: the safety lock is provided with a locking state and an unlocking state and comprises a first locking structure and a second locking structure, and the first locking structure and the second locking structure are respectively arranged on the two door bodies; when the two door bodies are located at the closing positions, the first locking structure is matched with the second locking structure to enable the safety lock to be in a locking state; the controller is electrically connected with the safety lock and the processing machine tool so as to enable the safety lock to be in a locking state when the processing machine tool is in a processing state; when the processing machine tool is in a non-processing state, the safety lock is in an unlocking state.

Further, the door body includes: the device comprises a substrate, a first electrode and a second electrode, wherein the substrate is provided with an observation window; the glass is arranged at the observation window; the decorative board is attached to the outer side of the substrate.

The two door bodies are a first door body and a second door body, the first door body comprises a first shielding part extending along the first horizontal direction and a first sealing structure arranged at the end part, close to the second door body, of the first shielding part; the second door body comprises a second shielding part extending along the second horizontal direction and a second sealing structure arranged at the end part, close to the first door body, of the second shielding part; when the first door body and the second door body are both in the closing position, the first sealing structure is in butt joint with the second sealing structure so as to prevent the cutting fluid from splashing outside the door body.

Further, the first sealing structure comprises a first plate section, a second plate section and a third plate section, wherein the first end of the first plate section is connected with the end part of the first shielding part, the second end of the first plate section extends towards the inside of the shell along the second horizontal direction, the first end of the second plate section is connected with the second end of the first plate section and extends along the first horizontal direction, the first end of the third plate section is connected with the second end of the second plate section and extends towards the outside of the shell along the second horizontal direction, and the length of the third plate section is smaller than that of the second plate section; the second sealing structure comprises a fourth plate section, a fifth plate section and a sixth plate section, wherein the first end of the fourth plate section is connected with the end part of the first shielding part, the second end of the fourth plate section extends towards the interior of the shell along the second horizontal direction, the first end of the fifth plate section is connected with the first shielding part, the fifth plate section and the fourth plate section are arranged at intervals and are positioned on one side, far away from the first door body, of the fourth plate section, the second end of the fifth plate section extends towards the interior of the shell along the second horizontal direction, the first end of the sixth plate section is connected with the second end of the fifth plate section, the second end of the sixth plate section extends towards one side, close to the first door body, along the first horizontal direction, and the length of the fifth plate section is greater than that of the first plate section; when the first door body and the second door body are both located at the closing positions, the fourth plate section is located between the first plate section and the third plate section along the first horizontal direction, and the sixth plate section is located on one side, close to the interior of the shell, of the third plate section; in the first horizontal direction, the second end of the sixth plate segment extends out of the first end of the third plate segment.

By applying the technical scheme of the invention, the two door bodies are arranged, and when the two door bodies are both positioned at the opening positions, partial structures of the two door bodies are all contracted into the shell, so that the occupied space of the door bodies is saved, the size of the shell is favorably reduced, and the whole occupied space of the machining center is smaller.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a part of the structure of a machining center according to an alternative embodiment of the present invention;

FIG. 2 is an enlarged schematic view of another angle at the guide rails and door body of the machining center of FIG. 1;

FIG. 3 shows a schematic view of a further angle at the guide rails and door body of the machining center of FIG. 1;

FIG. 4 is a schematic structural view of two door bodies of the machining center of FIG. 1;

FIG. 5 shows an enlarged schematic view of the structure at A in FIG. 4;

FIG. 6 is a schematic structural view of the first door body and the second door body in FIG. 4 in a closed state;

fig. 7 shows an enlarged schematic view of the structure at B in fig. 6.

Wherein the figures include the following reference numerals:

10. a processing machine tool; 20. a housing; 21. an opening; 30. a guide rail; 31. a first rail structure; 32. a second rail structure; 33. a third rail structure; 40. a door body; 41. a shielding portion; 42. a sliding part; 421. a first mounting plate; 422. a second mounting plate; 423. a chute; 401. a substrate; 402. glass; 43. a first slider structure; 44. a second slider structure; 100. a first door body; 300. a first shielding portion; 400. a first seal structure; 410. a first plate section; 420. a second plate section; 430. a third plate section; 200. a second door body; 500. a second shielding portion; 600. a second seal structure; 610. a fourth plate segment; 620. a fifth plate segment; 630. a sixth plate segment; 50. a safety lock; 51. a first locking structure; 52. a second locking structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a machining center, aiming at solving the problem that the machining center in the prior art occupies a large space.

As shown in fig. 1 to 7, the machining center includes a machine tool 10, a housing 20, a guide rail 30 and door bodies 40, the housing 20 covers the machine tool 10, the housing 20 has an opening 21 for taking and placing a workpiece, the guide rail 30 is disposed in the housing 20, two door bodies 40 are symmetrically disposed at the opening 21, each door body 40 is slidably connected to the guide rail 30, and each door body 40 has a closing position for shielding the opening 21 and an opening position retracted into the housing 20 to avoid the opening 21.

In this embodiment, two door bodies 40 are provided, and when two door bodies 40 were all in the open position, two door body 40's partial structure all shrunk to in the shell 20 to practice thrift door body 40's occupation space, be favorable to dwindling shell 20's size, and then made the holistic occupation space of machining center less, reduced machining center's packaging cost and cost of transportation.

As shown in fig. 1 and 2, the guide rail 30 includes a first guide rail structure 31 disposed at the bottom, the first guide rail structure 31 extending in a first horizontal direction, the first guide rail structure 31 being disposed at a predetermined interval from a placing station of the processing machine 10 in a second horizontal direction; the second horizontal direction is vertical to the first horizontal direction; the door body 40 includes a shielding portion 41 and a sliding portion 42, the shielding portion 41 extends along the first horizontal direction and is used for shielding the opening 21, the sliding portion 42 is convexly disposed on an inner wall surface of the shielding portion 41, the sliding portion 42 is located at the bottom of the shielding portion 41, a sliding groove 423 extending along the vertical direction is disposed on a lower surface of the sliding portion 42, and the sliding groove 423 is slidably connected with the first guide rail structure 31. In this way, the sliding groove 423 of the sliding part 42 of the door body 40 is slidably connected with the first guide rail structure 31, and since the first guide rail structure 31 is located in the housing 20, an operator can enter the housing 20 to place a workpiece, thereby reducing the placing difficulty.

The utility model provides a door body 40 is through adopting the sunken structure of epirelief, avoids operating personnel and places the interval between the station not too far leading to place when operating hard.

In a specific implementation, the predetermined interval is less than or equal to 350 mm.

In a specific implementation, the predetermined spacing is 320 mm.

As shown in fig. 3, the door body 40 further includes a first slider structure 43, the first slider structure 43 is disposed on the inner wall surface of the shielding portion 41 and is located at the top end of the shielding portion 41; the guide rail 30 further includes a second guide rail structure 32, the second guide rail structure 32 is disposed on the inner wall surface of the housing 20 and located at the top end of the first guide rail structure 31, and the first slider structure 43 is slidably connected to the second guide rail structure 32. In this way, by adding the first slider structure 43 and the second rail structure 32, the smoothness of the movement of the door body 40 when sliding relative to the first rail structure 31 is improved.

As shown in fig. 3, a plurality of first slider structures 43 are provided on the shielding portion 41 at intervals in the first horizontal direction. In this way, by increasing the number of the first slider structures 43, the movement smoothness of the door body 40 when sliding relative to the second rail structure 32 is improved.

In specific implementation, the second rail structure 32 is a wall-mounted rail, and has the advantages of small occupied space, convenience in installation and high assembly efficiency.

As shown in fig. 3, in the second horizontal direction, the sliding portion 42 includes a first mounting plate 421 and a second mounting plate 422 for forming the sliding groove 423, the first mounting plate 421 is located on a side of the sliding groove 423 close to the inside of the housing 20, and a length of the first mounting plate 421 in the vertical direction is smaller than a length of the second mounting plate 422 in the vertical direction; the door body 40 further comprises a second sliding block structure 44, and the second sliding block structure 44 is arranged on the inner wall surface of the second mounting plate 422 and is positioned at the bottom end of the second mounting plate 422; the guide rail 30 further comprises a third guide rail structure 33, the third guide rail structure 33 is connected with the outer wall surface of the first guide rail structure 31 and is located at the bottom end of the first guide rail structure 31, and the second slider structure 44 is slidably connected with the third guide rail structure 33. In this way, by adding the second slider structure 44 and the third rail structure 33, the movement smoothness of the door body 40 sliding relative to the first rail structure 31 is further improved.

As shown in fig. 3, a plurality of second slider structures 44 are disposed on the second mounting plate 422 at intervals along the first horizontal direction. In this way, by increasing the number of the second slider structures 44, the movement smoothness of the door body 40 when sliding relative to the third rail structure 33 is improved.

In specific implementation, as shown in fig. 2, the first rail structure 31 is a guide plate, a surface portion of the guide plate facing the second mounting plate 422 is recessed to form a mounting groove, and the third rail structure 33 is mounted in the mounting groove.

In specific implementation, the first guide rail structure 31 extends upwards along the vertical direction, and the height of the first guide rail structure 31 is lower than that of the placing station, so that an operator can conveniently take and place workpieces.

In specific implementation, the third rail structure 33 is a wall-mounted rail, and has the advantages of small occupied space, convenience in installation and assembly efficiency.

Optionally, the positions of the second rail structure 32 and the third rail structure 33 in the vertical direction are adjustable.

As shown in fig. 1 and 3, the machining center further includes a safety lock 50 and a controller, the safety lock 50 has a locking state and an unlocking state, the safety lock 50 includes a first locking structure 51 and a second locking structure 52, and the first locking structure 51 and the second locking structure 52 are respectively disposed on the two door bodies 40; when the two door bodies 40 are both located at the closing positions, the first locking structure 51 is matched with the second locking structure 52 to enable the safety lock 50 to be in a locking state, and the controller is electrically connected with the safety lock 50 and the processing machine tool 10 to enable the safety lock 50 to be in the locking state when the processing machine tool 10 is in the processing state; when the machine tool 10 is in the non-machining state, the safety lock 50 is unlocked. Therefore, the controller enables the safety lock 50 and the processing machine tool 10 to be interlocked, when the processing machine tool 10 is processed, the safety lock 50 can prevent the door body 40 from being opened, cutting fluid is prevented from being splashed to the outer side of the shell 20, potential safety hazards caused by misoperation of an operator are avoided, and processing safety is guaranteed.

Alternatively, the first and

second locking structures

51 and 52 are respectively disposed at the top ends of the two door bodies 40. Thus, the position of the safety lock 50 is set reasonably, and the appearance aesthetic feeling of the machining center is ensured.

As shown in fig. 3, the door 40 includes a substrate 401, a glass 402, and a decorative plate, wherein the substrate 401 has an observation window, the glass 402 is mounted at the observation window, and the decorative plate is attached to the outer side of the substrate 401. In this way, the working state of the machining center internal machining tool 10 can be observed through the glass 402, and the machining state of the machining tool 10 can be seen through.

When the concrete implementation, the decorative board is the ya keli board, is favorable to promoting machining center's outward appearance aesthetic feeling.

Optionally, the lines are silk-screened on the acrylic plate, so that the aesthetic appearance of the door body 40 is further improved.

Optionally, the glass 402 is transparent tempered glass.

As shown in fig. 4 to 7, the two door bodies 40 are a first door body 100 and a second door body 200, the first door body 100 includes a first shielding portion 300 extending along the first horizontal direction and a first sealing structure 400 disposed at an end portion of the first shielding portion 300 close to the second door body 200; the second door body 200 includes a second shielding portion 500 extending in the second horizontal direction and a second sealing structure 600 disposed at an end portion of the second shielding portion 500 close to the first door body 100; when the first door body 100 and the second door body 200 are both in the closed position, the first sealing structure 400 is abutted to the second sealing structure 600 to prevent the cutting fluid from splashing outside the door body 40. Therefore, when the two door bodies 40 are both in the closing position, the first sealing structure 400 and the second sealing structure 600 are matched to realize sealing, and the sealing performance of the door bodies 40 is improved.

As shown in fig. 4 to 7, the first sealing structure 400 includes a first plate segment 410, a second plate segment 420, and a third plate segment 430, a first end of the first plate segment 410 is connected with an end of the first shielding portion 300, a second end of the first plate segment 410 extends toward the inside of the housing 20 in the second horizontal direction, a first end of the second plate segment 420 is connected with a second end of the first plate segment 410 and extends in the first horizontal direction, a first end of the third plate segment 430 is connected with a second end of the second plate segment 420 and extends toward the outside of the housing 20 in the second horizontal direction, and a length of the third plate segment 430 is smaller than a length of the second plate segment 420; the second sealing structure 600 includes a fourth plate segment 610, a fifth plate segment 620 and a sixth plate segment 630, a first end of the fourth plate segment 610 is connected to an end of the first shielding portion 300, a second end of the fourth plate segment 610 extends toward the inside of the housing 20 along the second horizontal direction, a first end of the fifth plate segment 620 is connected to the first shielding portion 300, the fifth plate segment 620 and the fourth plate segment 610 are disposed at an interval and located at a side of the fourth plate segment 610 far from the first door body 100, a second end of the fifth plate segment 620 extends toward the inside of the housing 20 along the second horizontal direction, a first end of the sixth plate segment 630 is connected to a second end of the fifth plate segment 620, a second end of the sixth plate segment 630 extends toward a side close to the first door body 100 along the first horizontal direction, and a length of the fifth plate segment 620 is greater than a length of the first plate segment 410; when the first door body 100 and the second door body 200 are both located at the closed position, along the first horizontal direction, the fourth plate section 610 is located between the first plate section 410 and the third plate section 430, and the sixth plate section 630 is located on one side of the third plate section 430 close to the inside of the outer shell 20; in the first horizontal direction, the second end of the sixth plate segment 630 protrudes beyond the first end of the third plate segment 430. Thus, the present embodiment employs a labyrinth seal structure, and can effectively prevent the coolant or chips in the casing 20 from splashing outside the casing 20.

Optionally, the machining center that this application provided is five-axis linkage machining center, and door body 40 satisfies requirements such as occupation space is little, safety, sealed and practical. The standing position of the operator when placing the workpiece is at a proper distance from the workbench of the processing machine tool 10, namely the placing station, and the distance between the operator and the placing station is reduced, so that the operator can conveniently take and place the workpiece, the workpiece can be conveniently loaded, unloaded and clamped, and the aesthetic appearance of the door body 40 can be ensured; when the two door bodies 40 are closed, the sealing is carried out through a labyrinth type sealing structure, and chips or cutting fluid is prevented from leaking; the appearance of the door body 40 conforms to the appearance of a high-end machining center; the machining center prevents the door body 40 from being opened through the controller in the machining process, so that the door body 40 is always in a closed state, and danger to people is avoided.

Optionally, the machining center provided by the application is a movable column type five-axis machining center.

The machining center provided by the application reduces the size of the machine through the double-door body structure, reduces the packaging cost and reduces the transportation cost; specifically, the two door bodies 40 are retracted into the housing 20 of the machine tool when opened, by half the size of one door body, so that the machine size can be reduced.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A machining center, comprising:

a processing machine (10);

the shell (20), the shell (20) is covered outside the processing machine tool (10), and the shell (20) is provided with an opening (21) for taking and placing a workpiece;

a guide rail (30), the guide rail (30) disposed within the housing (20);

the two door bodies (40) are symmetrically arranged at the opening (21), each door body (40) is connected with the guide rail (30) in a sliding mode, and each door body (40) has a closing position for shielding the opening (21) and an opening position for contracting into the shell (20) to avoid the opening (21).

2. Machining center according to claim 1,

the guide rail (30) comprises a first guide rail structure (31) arranged at the bottom, the first guide rail structure (31) extends along a first horizontal direction, and the first guide rail structure (31) is arranged at a preset interval with a placing station of the processing machine tool (10) along a second horizontal direction; the second horizontal direction is perpendicular to the first horizontal direction;

the door body (40) comprises a shielding part (41) and a sliding part (42), the shielding part (41) extends along the first horizontal direction and is used for shielding the opening (21), the sliding part (42) is convexly arranged on the inner wall surface of the shielding part (41), the sliding part (42) is located at the bottom of the shielding part (41), a sliding groove (423) extending along the vertical direction is formed in the lower surface of the sliding part (42), and the sliding groove (423) is in sliding connection with the first guide rail structure (31).

3. Machining center according to claim 2,

the door body (40) further comprises a first sliding block structure (43), and the first sliding block structure (43) is arranged on the inner wall surface of the shielding part (41) and is positioned at the top end of the shielding part (41);

the guide rail (30) further comprises a second guide rail structure (32), the second guide rail structure (32) is arranged on the inner wall surface of the shell (20) and is positioned at the top end of the first guide rail structure (31), and the first slider structure (43) is connected with the second guide rail structure (32) in a sliding mode.

4. Machining center according to claim 3, characterized in that a plurality of first slider structures (43) are provided on the shade (41) at intervals along the first horizontal direction.

5. Machining center according to any one of claims 2 to 4,

in the second horizontal direction, the sliding portion (42) includes a first mounting plate (421) and a second mounting plate (422) for forming the sliding groove (423), the first mounting plate (421) is located on one side of the sliding groove (423) close to the inside of the housing (20), and the length of the first mounting plate (421) in the vertical direction is smaller than the length of the second mounting plate (422) in the vertical direction;

the door body (40) further comprises a second sliding block structure (44), and the second sliding block structure (44) is arranged on the inner wall surface of the second mounting plate (422) and is positioned at the bottom end of the second mounting plate (422);

the guide rail (30) further comprises a third guide rail structure (33), the third guide rail structure (33) is connected with the outer wall surface of the first guide rail structure (31) and located at the bottom end of the first guide rail structure (31), and the second sliding block structure (44) is in sliding connection with the third guide rail structure (33).

6. The machining center according to claim 5, wherein a plurality of the second slider structures (44) are provided on the second mounting plate (422) at intervals in the first horizontal direction.

7. The machining center according to claim 1, further comprising:

the safety lock (50) is provided with a locking state and an unlocking state, the safety lock (50) comprises a first locking structure (51) and a second locking structure (52), and the first locking structure (51) and the second locking structure (52) are respectively arranged on the two door bodies (40); when the two door bodies (40) are located at the closing position, the first locking structure (51) is matched with the second locking structure (52) to enable the safety lock (50) to be in a locking state;

a controller electrically connected to both the safety lock (50) and the machine tool (10) to place the safety lock (50) in the locked state when the machine tool (10) is in a machining state; -bringing the safety lock (50) in the unlocked state when the machine tool (10) is in the non-machining state.

8. Machining center according to claim 1, characterized in that the door body (40) comprises:

the device comprises a substrate (401), wherein an observation window is formed in the substrate (401);

a glass (402), the glass (402) mounted at the viewing window;

the decorative plate is attached to the outer side of the substrate (401).

9. The machining center according to claim 1, wherein the two door bodies (40) are a first door body (100) and a second door body (200), the first door body (100) comprises a first shielding portion (300) extending along a first horizontal direction and a first sealing structure (400) arranged at an end portion of the first shielding portion (300) close to the second door body (200); the second door body (200) comprises a second shielding part (500) extending along a second horizontal direction and a second sealing structure (600) arranged at the end part, close to the first door body (100), of the second shielding part (500); when the first door body (100) and the second door body (200) are both located at the closing positions, the first sealing structure (400) is in butt joint with the second sealing structure (600) so as to prevent cutting fluid from splashing outside the door body (40).

10. Machining center according to claim 9,

the first sealing structure (400) includes a first plate segment (410), a second plate segment (420), and a third plate segment (430), a first end of the first plate segment (410) is connected with an end of the first shielding portion (300), a second end of the first plate segment (410) extends toward the inside of the housing (20) in a second horizontal direction, a first end of the second plate segment (420) is connected with a second end of the first plate segment (410) and extends in the first horizontal direction, a first end of the third plate segment (430) is connected with a second end of the second plate segment (420) and extends toward the outside of the housing (20) in the second horizontal direction, and a length of the third plate segment (430) is smaller than that of the second plate segment (420);

the second sealing structure (600) comprises a fourth plate section (610), a fifth plate section (620) and a sixth plate section (630), wherein a first end of the fourth plate section (610) is connected with an end of the first shielding portion (300), a second end of the fourth plate section (610) extends towards the inside of the housing (20) along the second horizontal direction, a first end of the fifth plate section (620) is connected with the first shielding portion (300), the fifth plate section (620) is arranged at a distance from the fourth plate section (610) and is positioned at one side of the fourth plate section (610) far away from the first door body (100), a second end of the fifth plate section (620) extends towards the inside of the housing (20) along the second horizontal direction, a first end of the sixth plate section (630) is connected with a second end of the fifth plate section (620), and a second end of the sixth plate section (630) extends towards one side of the first door body (100) along the first horizontal direction, the length of the fifth plate segment (620) is greater than the length of the first plate segment (410);

when the first door body (100) and the second door body (200) are both located at the closed position, the fourth plate section (610) is located between the first plate section (410) and the third plate section (430) along the first horizontal direction, and the sixth plate section (630) is located on one side of the third plate section (430) close to the inside of the shell (20); in the first horizontal direction, a second end of the sixth plate segment (630) protrudes beyond a first end of the third plate segment (430).